package file;

import java.io.File;
import java.io.FileFilter;

public class ListFileDemo2 {
    public static void main(String[] args) {
        File dir =new File(".");
        if(dir.isDirectory()) {
            FileFilter filter=new FileFilter() {

                public boolean accept(File file) {
                  String name = file.getName();
                  return  name.endsWith(".txt");
                }
            };

        }
    }
}
